In DHCP Manager, choose Convert Data Store from the Service menu.
See How to Start and Stop DHCP Manager for information about DHCP Manager.
The Data Store Conversion wizard opens.
Answer the wizard's prompts.
If you have trouble providing the requested information, click Help to view detailed information about each dialog box.
Review your selections, and then click Finish to convert the data store.
The DHCP server restarts when the conversion is complete. The server immediately uses the new data store.